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Old 08-22-2012, 08:39 AM   #1 (permalink)
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Default Does the blower motor actually move air in the samurai?

My blower motor spins and I can feel the squirrel cage moving fast but air does not come out of the vents at anything more than the slightest of drafts.
I recently rebuilt the airbox, with a new motor and heater core and cleaned out all the ductwork.
I have tried the fresh air and recirc settings.

Is this normal?
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Old 08-22-2012, 06:11 PM   #2 (permalink)
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What about at the floor? There is a flap at the bottom of the box that must be closed for air to be forced out the dash vents and defrost. The lever for this is on the passenger side of the box.
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Old 08-25-2012, 03:01 PM   #3 (permalink)
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I'd be willing to bet your wires to the blower motor have been swapped causing the squirrel cage to rotate in the opposite direction. This will turn the blower at speed making you think all is well with the blower, but will result in only a slight draft at the vents. You would think the air would blow backward, but it doesn't. Try either swapping the two wires in the plug leading to the blower (a small flathead screwdriver can be used to depress the blade that locks it in) or checking to see if someone spliced those wires and accidentally switched them. When I got my Sammy they were swapped and switching them back made a HUGE difference. BTW, if the wires are correct, switching them won't damage the motor; it will just make it rotate the opposite direction.
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Old 08-26-2012, 09:24 AM   #4 (permalink)
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I had the same thoughts, and am really hoping that is the answer. I really dont want to pull the box again.
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Old 08-29-2012, 08:20 AM   #5 (permalink)
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800wildcat nailed it! I had the motor running backwards, I guess squirrel cage fans dont work backwards. Im just glad I dont have to pull the box out again.
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Old 09-02-2012, 01:04 AM   #6 (permalink)
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Good! Glad you got it squared away. I know I was freezing my behindy off before I finally got around to checking it out and then went to half way decent heat even with the huge holes in the rockers.

Last edited by 800wildcat; 09-02-2012 at 01:07 AM.
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Old 09-03-2012, 08:05 PM   #7 (permalink)
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Just a note for others with similar problems: One of my Samurai's had the same problem but it turned out to be leaves and other junk that dropped down and settled on top of the heater core. I had to do a lot of back-blowing to clear it (using compressed air and a leaf-blower).
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Old 09-04-2012, 05:48 PM   #8 (permalink)
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Another option for cleaning the heater;
Samurai – Cleaning Out The Heater Box | iZook - Suzuki 4x4 Tech Information, Accessories, Travel & Adventure
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